Contra Costa County property record for 4686 Sandmound Blvd, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,222 sqft · built 2015 |
| Lot Size | 0.211 acres (9,200 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $85,000 (Mar 2012) |
| Tax Bill | $4,034 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 032-230-022-9 |
| Primary APN | 032-230-022-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,222 sqft Living Area |
| 1st Floor Area | 1,222 sqft |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2015 |
| Lot Area | 9,200 sqft (0.211 acres) |
| View / Lot | Waterfront |
| Garage Type | Attached |
| Garage Area | 752 sqft |
| Parking Spaces | 3 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4686 SANDMOUND BLVD |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-5017 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | F1 |
| Legal Description | SANDMOUND TRACT LOT 37 LESS MR |
| Legal Subdivision | SANDMOUND |
| Legal Lot Number | 37 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 301000 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4686 SANDMOUND BLVD, OAKLEY, CA 94561-5017 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 30, 2012 · Amount on Record |
| Deed Sale | Mar 30, 2012 · Amount on Record |
| Deed Document Number | 201273370 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Elementary School District | Oakley Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $288,803 (+2%) Land $108,894 Building $179,909 | |
| 2025 | $4,034.00 (+2.96%) Homeowner's exemption | $283,141 (+4.04%) Land $106,759 Building $176,382 |
| 2023 | $3,918.00 (+0.8%) Homeowner's exemption | $272,148 Land $102,614 Building $169,534 |
| 2022 | $3,887.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 9.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 49 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 149 units insured incl. 100 condo units |
| Nearby Flood Claims | 2 (2017–2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 67% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | OAKLEY MUTUAL WATER COMPANY private · serves 170 people · EPA ID CA0706004 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2023 |
| Also Mapped Here | DELTA MUTUAL WATER COMPANY |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | Arsenic not recorded as resolved · Jan 2026 |
|---|---|
| Treatment and Procedure | Lead service line inventory currently in violation since Oct 2024 |
| Monitoring and Reporting | 1 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 44 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T.
5G (outdoors only) and 4G LTE
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